27 static bool valid_protreg_id(int instance, uint32_t id)  in valid_protreg_id()  argument
31 	max_id = mmio_read_32(stm32mp2_risaf.base[instance] + _RISAF_HWCFGR);  in valid_protreg_id()
37 static bool valid_instance(int instance)  in valid_instance()  argument
39 	return (instance < RISAF_MAX_INSTANCE) && (stm32mp2_risaf.base[instance] != 0U);  in valid_instance()
43 static bool risaf_is_hw_encryption_functional(int instance)  in risaf_is_hw_encryption_functional()  argument
45 	return (mmio_read_32(stm32mp2_risaf.base[instance] + _RISAF_SR) & _RISAF_SR_ENCDIS) !=  in risaf_is_hw_encryption_functional()
49 static int check_region_boundaries(int instance, uintptr_t addr, size_t len)  in check_region_boundaries()  argument
52 	uintptr_t mem_base = stm32_risaf_get_memory_base(instance);  in check_region_boundaries()
59 	end_address = mem_base + stm32_risaf_get_memory_size(instance) - 1U;  in check_region_boundaries()
64 	if ((stm32mp2_risaf.granularity[instance] == 0U) ||  in check_region_boundaries()
65 	    ((addr % stm32mp2_risaf.granularity[instance]) != 0U) ||  in check_region_boundaries()
66 	    ((len % stm32mp2_risaf.granularity[instance]) != 0U)) {  in check_region_boundaries()
84 	int instance;  in check_region_overlap()  local
98 	instance = pdata->region[region_id].instance;  in check_region_overlap()
101 		if (pdata->region[i].instance != instance) {  in check_region_overlap()
107 			ERROR("RISAF%d: Regions %d and %d overlap\n", instance + 1, region_id, i);  in check_region_overlap()
115 static int risaf_configure_region(int instance, uint32_t region_id, uint32_t cfg,  in risaf_configure_region()  argument
118 	uintptr_t base = stm32mp2_risaf.base[instance];  in risaf_configure_region()
124 	assert(valid_instance(instance));  in risaf_configure_region()
125 	assert(valid_protreg_id(instance, region_id));  in risaf_configure_region()
136 			   (saddr - stm32_risaf_get_memory_base(instance)) & mask);  in risaf_configure_region()
138 			   (eaddr - stm32_risaf_get_memory_base(instance)) & mask);  in risaf_configure_region()
147 		if (!risaf_is_hw_encryption_functional(instance)) {  in risaf_configure_region()
148 			ERROR("RISAF%d: encryption disabled\n", instance + 1);  in risaf_configure_region()
153 			ERROR("RISAF%d: encryption on non secure area\n", instance + 1);  in risaf_configure_region()
186 			if (pdata->region[n].instance != idx) {  in risaf_conf_protreg()
232 	int instance = -1;  in risaf_get_instance_from_region()  local
240 			instance = idx;  in risaf_get_instance_from_region()
244 	return instance;  in risaf_get_instance_from_region()
251 static int risaf_register_region(void *fdt, int node, int instance)  in risaf_register_region()  argument
280 	if ((instance != -1) && (inst != instance)) {  in risaf_register_region()
281 		ERROR("RISAF%d: Region not located in expected address space\n", instance + 1);  in risaf_register_region()
307 	pdata->region[pdata->nregions].instance = inst;  in risaf_register_region()
423 int stm32mp2_risaf_write_encryption_key(int instance, uint8_t *key)  in stm32mp2_risaf_write_encryption_key()  argument
427 	uintptr_t base = stm32mp2_risaf.base[instance];  in stm32mp2_risaf_write_encryption_key()
462 int stm32mp2_risaf_lock(int instance)  in stm32mp2_risaf_lock()  argument
464 	uintptr_t base = stm32mp2_risaf.base[instance];  in stm32mp2_risaf_lock()
481 int stm32mp2_risaf_is_locked(int instance, bool *state)  in stm32mp2_risaf_is_locked()  argument
483 	uintptr_t base = stm32mp2_risaf.base[instance];  in stm32mp2_risaf_is_locked()